[linux-next:master 8369/10701] vexpress-poweroff.c:undefined reference to `devm_regmap_init_vexpress_config'

[linux-next:master 8369/10701] vexpress-poweroff.c:undefined reference to `devm_regmap_init_vexpress_config'

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 1189 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   fb57b1fabcb28f358901b2df90abd2b48abc1ca8
commit: 70e4758aaae04a5b0cb53db47fd94eb1714fd0ac [8369/10701] bus: vexpress-config: Support building as module
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 70e4758aaae04a5b0cb53db47fd94eb1714fd0ac
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

aarch64-linux-ld: drivers/power/reset/vexpress-poweroff.o: in function `vexpress_reset_probe':
>> vexpress-poweroff.c:(.text+0x470): undefined reference to `devm_regmap_init_vexpress_config'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 71654 bytes --]